Home / 158,887.28-219,266.25-87,268.97

Finding the Fourth Proportional to 158,887.28, 219,266.25 and 87,268.97

Calculator

Solution

The fourth proportional to 158,887.28, 219,266.25 and 87,268.97 is: 120,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,887.28 : 219,266.25 = 87,268.97 : x
  2. Step 2: Convert to fraction form
    158,887.28/219,266.25 = 87,268.97/x
  3. Step 3: Cross multiply
    158,887.28x = 219,266.25 × 87,268.97
  4. Step 4: Simplify right side
    158,887.28x = 19,135,139,793.26
  5. Step 5: Solve for x
    x = 19,135,139,793.26/158,887.28
  6. Step 6: Final answer
    x = 120,432.17

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.